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Marine Corps ASVAB Line Score Calculator

Calculate your GT, EL, CL, MM, and ST scores for USMC MOS selection.

General Science (GS)

Arithmetic Reasoning (AR)

Word Knowledge (WK)

Paragraph Comprehension (PC)

Mathematics Knowledge (MK)

Electronics Information (EI)

Auto and Shop (AS)

Mechanical Comprehension (MC)

Your USMC Composite Scores:

General Tech (GT) —

Electronics (EL) —

Clerical (CL) —

Mech Maint (MM) —

Skilled Tech (ST) —

*Note: These are estimates based on standard Marine Corps formulas (VE = WK + PC). Official AFQT is a percentile rank.*

Understanding Marine Corps ASVAB Scores

The Armed Services Vocational Aptitude Battery (ASVAB) is more than just an entrance exam; it is a vocational tool used by the United States Marine Corps to determine which Military Occupational Specialties (MOS) you are qualified to perform. While the AFQT score determines if you can join the Marines, your Line Scores determine what jobs you can actually do.

The Five Marine Corps Line Scores

The Marine Corps uses five specific composite scores calculated from the subtests of the ASVAB. Use the calculator above to see how your subtest scores translate into these categories:

GT (General Technical): Measures your ability to learn and process information. Key for many intelligence and infantry leadership roles.
MM (Mechanical Maintenance): Measures your aptitude for mechanical systems, engines, and tools.
CL (Clerical): Measures your proficiency in administrative, word processing, and mathematical tasks.
EL (Electronics Repair): Measures your understanding of electrical systems, science, and math.
ST (Skilled Technical): Measures your aptitude for technical fields like meteorology, aviation maintenance, and engineering.

Official USMC Formulas

Line Score	Subtest Formula
GT (General Technical)	VE + AR
MM (Mechanical Maintenance)	AS + MC + EI
CL (Clerical)	VE + AR + MK
EL (Electronics Repair)	GS + AR + MK + EI
ST (Skilled Technical)	GS + VE + MK + MC

*VE (Verbal Expression) is the sum of your Word Knowledge (WK) and Paragraph Comprehension (PC) scores.

Minimum Scores for Joining

To enlist in the Marine Corps, you must meet the minimum AFQT score requirements:

High School Graduates: Minimum AFQT score of 31.
GED Holders: Minimum AFQT score of 50.

Common MOS Score Requirements

Depending on your career goals, you will need to hit specific targets. For example, a 0311 Infantry Rifleman generally requires a GT score of 80 or higher, while a 06xx Communications role might require an EL score of 105 or higher. Always speak with a recruiter to verify current requirements as they can change based on the needs of the Marine Corps.

function calculateMarineScores() { // Get raw inputs var gs = parseFloat(document.getElementById('gs').value) || 0; var ar = parseFloat(document.getElementById('ar').value) || 0; var wk = parseFloat(document.getElementById('wk').value) || 0; var pc = parseFloat(document.getElementById('pc').value) || 0; var mk = parseFloat(document.getElementById('mk').value) || 0; var ei = parseFloat(document.getElementById('ei').value) || 0; var as_val = parseFloat(document.getElementById('as_score').value) || 0; var mc = parseFloat(document.getElementById('mc').value) || 0; // Calculate VE (Verbal Expression) var ve = wk + pc; // USMC Formulas // GT = VE + AR var gt = ve + ar; // EL = GS + AR + MK + EI var el = gs + ar + mk + ei; // CL = VE + AR + MK var cl = ve + ar + mk; // MM = AS + MC + EI var mm = as_val + mc + ei; // ST = GS + VE + MK + MC var st = gs + ve + mk + mc; // Display results document.getElementById('res-gt').innerText = Math.round(gt); document.getElementById('res-el').innerText = Math.round(el); document.getElementById('res-cl').innerText = Math.round(cl); document.getElementById('res-mm').innerText = Math.round(mm); document.getElementById('res-st').innerText = Math.round(st); // Show the results box document.getElementById('asvabResults').style.display = 'block'; // Smooth scroll to results document.getElementById('asvabResults').scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

Marine Asvab Score Calculator